Finding the Fourth Proportional to 645,988.13, 968,990.83 and 202,756.13
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Solution
The fourth proportional to 645,988.13, 968,990.83 and 202,756.13 is: 304,136.90
Step by Step Solution
- Step 1: Write the proportion equation
645,988.13 : 968,990.83 = 202,756.13 : x - Step 2: Convert to fraction form
645,988.13/968,990.83 = 202,756.13/x - Step 3: Cross multiply
645,988.13x = 968,990.83 × 202,756.13 - Step 4: Simplify right side
645,988.13x = 196,468,825,851.33 - Step 5: Solve for x
x = 196,468,825,851.33/645,988.13 - Step 6: Final answer
x = 304,136.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.